Find conditional probability that down time is longer

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Reference no: EM13121196

Suppose the total amount of "computer down-time" during the day (in seconds) at a certain company follows the normal distribution with a mean of 200 and standard deviation of 15. What is the conditional probability that the down time is longer than 236 days given that it is already longer than 227 days?

Reference no: EM13121196

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